<pre>  /**
     */
    @Override
    protected Widget createTab() {
        final FlowPanel panel = new FlowPanel();
        
        Map&lt;String,Object&gt; config = new HashMap&lt;String,Object&gt;() ;
        config.put("text","Champs Text");
        config.put("value","valeur");
        LabelTextBox field1 = new LabelTextBox(config);
        panel.add(field1);
        
        //Identique que :
        

        LabelTextBox field2 = new LabelTextBox(config);
        field2.setText("Champs Text");
        field2.setValue("valeur");
        panel.add(field2);
        
        return panel;
    }

</pre>